1 /* 2 * BSD LICENSE 3 * 4 * Copyright (C) Cavium networks Ltd. 2016. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the 15 * distribution. 16 * * Neither the name of Cavium networks nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <assert.h> 34 #include <stdio.h> 35 #include <stdbool.h> 36 #include <errno.h> 37 #include <stdint.h> 38 #include <string.h> 39 #include <unistd.h> 40 #include <stdarg.h> 41 #include <inttypes.h> 42 #include <netinet/in.h> 43 #include <sys/queue.h> 44 #include <sys/timerfd.h> 45 46 #include <rte_alarm.h> 47 #include <rte_atomic.h> 48 #include <rte_branch_prediction.h> 49 #include <rte_byteorder.h> 50 #include <rte_common.h> 51 #include <rte_cycles.h> 52 #include <rte_debug.h> 53 #include <rte_dev.h> 54 #include <rte_eal.h> 55 #include <rte_ether.h> 56 #include <rte_ethdev.h> 57 #include <rte_interrupts.h> 58 #include <rte_log.h> 59 #include <rte_memory.h> 60 #include <rte_memzone.h> 61 #include <rte_malloc.h> 62 #include <rte_random.h> 63 #include <rte_pci.h> 64 #include <rte_tailq.h> 65 66 #include "base/nicvf_plat.h" 67 68 #include "nicvf_ethdev.h" 69 #include "nicvf_rxtx.h" 70 #include "nicvf_logs.h" 71 72 static void nicvf_dev_stop(struct rte_eth_dev *dev); 73 74 static inline int 75 nicvf_atomic_write_link_status(struct rte_eth_dev *dev, 76 struct rte_eth_link *link) 77 { 78 struct rte_eth_link *dst = &dev->data->dev_link; 79 struct rte_eth_link *src = link; 80 81 if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst, 82 *(uint64_t *)src) == 0) 83 return -1; 84 85 return 0; 86 } 87 88 static inline void 89 nicvf_set_eth_link_status(struct nicvf *nic, struct rte_eth_link *link) 90 { 91 link->link_status = nic->link_up; 92 link->link_duplex = ETH_LINK_AUTONEG; 93 if (nic->duplex == NICVF_HALF_DUPLEX) 94 link->link_duplex = ETH_LINK_HALF_DUPLEX; 95 else if (nic->duplex == NICVF_FULL_DUPLEX) 96 link->link_duplex = ETH_LINK_FULL_DUPLEX; 97 link->link_speed = nic->speed; 98 link->link_autoneg = ETH_LINK_SPEED_AUTONEG; 99 } 100 101 static void 102 nicvf_interrupt(void *arg) 103 { 104 struct nicvf *nic = arg; 105 106 if (nicvf_reg_poll_interrupts(nic) == NIC_MBOX_MSG_BGX_LINK_CHANGE) { 107 if (nic->eth_dev->data->dev_conf.intr_conf.lsc) 108 nicvf_set_eth_link_status(nic, 109 &nic->eth_dev->data->dev_link); 110 _rte_eth_dev_callback_process(nic->eth_dev, 111 RTE_ETH_EVENT_INTR_LSC); 112 } 113 114 rte_eal_alarm_set(NICVF_INTR_POLL_INTERVAL_MS * 1000, 115 nicvf_interrupt, nic); 116 } 117 118 static int 119 nicvf_periodic_alarm_start(struct nicvf *nic) 120 { 121 return rte_eal_alarm_set(NICVF_INTR_POLL_INTERVAL_MS * 1000, 122 nicvf_interrupt, nic); 123 } 124 125 static int 126 nicvf_periodic_alarm_stop(struct nicvf *nic) 127 { 128 return rte_eal_alarm_cancel(nicvf_interrupt, nic); 129 } 130 131 /* 132 * Return 0 means link status changed, -1 means not changed 133 */ 134 static int 135 nicvf_dev_link_update(struct rte_eth_dev *dev, 136 int wait_to_complete __rte_unused) 137 { 138 struct rte_eth_link link; 139 struct nicvf *nic = nicvf_pmd_priv(dev); 140 141 PMD_INIT_FUNC_TRACE(); 142 143 memset(&link, 0, sizeof(link)); 144 nicvf_set_eth_link_status(nic, &link); 145 return nicvf_atomic_write_link_status(dev, &link); 146 } 147 148 static int 149 nicvf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) 150 { 151 struct nicvf *nic = nicvf_pmd_priv(dev); 152 uint32_t buffsz, frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 153 154 PMD_INIT_FUNC_TRACE(); 155 156 if (frame_size > NIC_HW_MAX_FRS) 157 return -EINVAL; 158 159 if (frame_size < NIC_HW_MIN_FRS) 160 return -EINVAL; 161 162 buffsz = dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM; 163 164 /* 165 * Refuse mtu that requires the support of scattered packets 166 * when this feature has not been enabled before. 167 */ 168 if (!dev->data->scattered_rx && 169 (frame_size + 2 * VLAN_TAG_SIZE > buffsz)) 170 return -EINVAL; 171 172 /* check <seg size> * <max_seg> >= max_frame */ 173 if (dev->data->scattered_rx && 174 (frame_size + 2 * VLAN_TAG_SIZE > buffsz * NIC_HW_MAX_SEGS)) 175 return -EINVAL; 176 177 if (frame_size > ETHER_MAX_LEN) 178 dev->data->dev_conf.rxmode.jumbo_frame = 1; 179 else 180 dev->data->dev_conf.rxmode.jumbo_frame = 0; 181 182 if (nicvf_mbox_update_hw_max_frs(nic, frame_size)) 183 return -EINVAL; 184 185 /* Update max frame size */ 186 dev->data->dev_conf.rxmode.max_rx_pkt_len = (uint32_t)frame_size; 187 nic->mtu = mtu; 188 return 0; 189 } 190 191 static int 192 nicvf_dev_get_regs(struct rte_eth_dev *dev, struct rte_dev_reg_info *regs) 193 { 194 uint64_t *data = regs->data; 195 struct nicvf *nic = nicvf_pmd_priv(dev); 196 197 if (data == NULL) { 198 regs->length = nicvf_reg_get_count(); 199 regs->width = THUNDERX_REG_BYTES; 200 return 0; 201 } 202 203 /* Support only full register dump */ 204 if ((regs->length == 0) || 205 (regs->length == (uint32_t)nicvf_reg_get_count())) { 206 regs->version = nic->vendor_id << 16 | nic->device_id; 207 nicvf_reg_dump(nic, data); 208 return 0; 209 } 210 return -ENOTSUP; 211 } 212 213 static void 214 nicvf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 215 { 216 uint16_t qidx; 217 struct nicvf_hw_rx_qstats rx_qstats; 218 struct nicvf_hw_tx_qstats tx_qstats; 219 struct nicvf_hw_stats port_stats; 220 struct nicvf *nic = nicvf_pmd_priv(dev); 221 222 /* Reading per RX ring stats */ 223 for (qidx = 0; qidx < dev->data->nb_rx_queues; qidx++) { 224 if (qidx == RTE_ETHDEV_QUEUE_STAT_CNTRS) 225 break; 226 227 nicvf_hw_get_rx_qstats(nic, &rx_qstats, qidx); 228 stats->q_ibytes[qidx] = rx_qstats.q_rx_bytes; 229 stats->q_ipackets[qidx] = rx_qstats.q_rx_packets; 230 } 231 232 /* Reading per TX ring stats */ 233 for (qidx = 0; qidx < dev->data->nb_tx_queues; qidx++) { 234 if (qidx == RTE_ETHDEV_QUEUE_STAT_CNTRS) 235 break; 236 237 nicvf_hw_get_tx_qstats(nic, &tx_qstats, qidx); 238 stats->q_obytes[qidx] = tx_qstats.q_tx_bytes; 239 stats->q_opackets[qidx] = tx_qstats.q_tx_packets; 240 } 241 242 nicvf_hw_get_stats(nic, &port_stats); 243 stats->ibytes = port_stats.rx_bytes; 244 stats->ipackets = port_stats.rx_ucast_frames; 245 stats->ipackets += port_stats.rx_bcast_frames; 246 stats->ipackets += port_stats.rx_mcast_frames; 247 stats->ierrors = port_stats.rx_l2_errors; 248 stats->imissed = port_stats.rx_drop_red; 249 stats->imissed += port_stats.rx_drop_overrun; 250 stats->imissed += port_stats.rx_drop_bcast; 251 stats->imissed += port_stats.rx_drop_mcast; 252 stats->imissed += port_stats.rx_drop_l3_bcast; 253 stats->imissed += port_stats.rx_drop_l3_mcast; 254 255 stats->obytes = port_stats.tx_bytes_ok; 256 stats->opackets = port_stats.tx_ucast_frames_ok; 257 stats->opackets += port_stats.tx_bcast_frames_ok; 258 stats->opackets += port_stats.tx_mcast_frames_ok; 259 stats->oerrors = port_stats.tx_drops; 260 } 261 262 static const uint32_t * 263 nicvf_dev_supported_ptypes_get(struct rte_eth_dev *dev) 264 { 265 size_t copied; 266 static uint32_t ptypes[32]; 267 struct nicvf *nic = nicvf_pmd_priv(dev); 268 static const uint32_t ptypes_pass1[] = { 269 RTE_PTYPE_L3_IPV4, 270 RTE_PTYPE_L3_IPV4_EXT, 271 RTE_PTYPE_L3_IPV6, 272 RTE_PTYPE_L3_IPV6_EXT, 273 RTE_PTYPE_L4_TCP, 274 RTE_PTYPE_L4_UDP, 275 RTE_PTYPE_L4_FRAG, 276 }; 277 static const uint32_t ptypes_pass2[] = { 278 RTE_PTYPE_TUNNEL_GRE, 279 RTE_PTYPE_TUNNEL_GENEVE, 280 RTE_PTYPE_TUNNEL_VXLAN, 281 RTE_PTYPE_TUNNEL_NVGRE, 282 }; 283 static const uint32_t ptypes_end = RTE_PTYPE_UNKNOWN; 284 285 copied = sizeof(ptypes_pass1); 286 memcpy(ptypes, ptypes_pass1, copied); 287 if (nicvf_hw_version(nic) == NICVF_PASS2) { 288 memcpy((char *)ptypes + copied, ptypes_pass2, 289 sizeof(ptypes_pass2)); 290 copied += sizeof(ptypes_pass2); 291 } 292 293 memcpy((char *)ptypes + copied, &ptypes_end, sizeof(ptypes_end)); 294 if (dev->rx_pkt_burst == nicvf_recv_pkts || 295 dev->rx_pkt_burst == nicvf_recv_pkts_multiseg) 296 return ptypes; 297 298 return NULL; 299 } 300 301 static void 302 nicvf_dev_stats_reset(struct rte_eth_dev *dev) 303 { 304 int i; 305 uint16_t rxqs = 0, txqs = 0; 306 struct nicvf *nic = nicvf_pmd_priv(dev); 307 308 for (i = 0; i < dev->data->nb_rx_queues; i++) 309 rxqs |= (0x3 << (i * 2)); 310 for (i = 0; i < dev->data->nb_tx_queues; i++) 311 txqs |= (0x3 << (i * 2)); 312 313 nicvf_mbox_reset_stat_counters(nic, 0x3FFF, 0x1F, rxqs, txqs); 314 } 315 316 /* Promiscuous mode enabled by default in LMAC to VF 1:1 map configuration */ 317 static void 318 nicvf_dev_promisc_enable(struct rte_eth_dev *dev __rte_unused) 319 { 320 } 321 322 static inline uint64_t 323 nicvf_rss_ethdev_to_nic(struct nicvf *nic, uint64_t ethdev_rss) 324 { 325 uint64_t nic_rss = 0; 326 327 if (ethdev_rss & ETH_RSS_IPV4) 328 nic_rss |= RSS_IP_ENA; 329 330 if (ethdev_rss & ETH_RSS_IPV6) 331 nic_rss |= RSS_IP_ENA; 332 333 if (ethdev_rss & ETH_RSS_NONFRAG_IPV4_UDP) 334 nic_rss |= (RSS_IP_ENA | RSS_UDP_ENA); 335 336 if (ethdev_rss & ETH_RSS_NONFRAG_IPV4_TCP) 337 nic_rss |= (RSS_IP_ENA | RSS_TCP_ENA); 338 339 if (ethdev_rss & ETH_RSS_NONFRAG_IPV6_UDP) 340 nic_rss |= (RSS_IP_ENA | RSS_UDP_ENA); 341 342 if (ethdev_rss & ETH_RSS_NONFRAG_IPV6_TCP) 343 nic_rss |= (RSS_IP_ENA | RSS_TCP_ENA); 344 345 if (ethdev_rss & ETH_RSS_PORT) 346 nic_rss |= RSS_L2_EXTENDED_HASH_ENA; 347 348 if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) { 349 if (ethdev_rss & ETH_RSS_VXLAN) 350 nic_rss |= RSS_TUN_VXLAN_ENA; 351 352 if (ethdev_rss & ETH_RSS_GENEVE) 353 nic_rss |= RSS_TUN_GENEVE_ENA; 354 355 if (ethdev_rss & ETH_RSS_NVGRE) 356 nic_rss |= RSS_TUN_NVGRE_ENA; 357 } 358 359 return nic_rss; 360 } 361 362 static inline uint64_t 363 nicvf_rss_nic_to_ethdev(struct nicvf *nic, uint64_t nic_rss) 364 { 365 uint64_t ethdev_rss = 0; 366 367 if (nic_rss & RSS_IP_ENA) 368 ethdev_rss |= (ETH_RSS_IPV4 | ETH_RSS_IPV6); 369 370 if ((nic_rss & RSS_IP_ENA) && (nic_rss & RSS_TCP_ENA)) 371 ethdev_rss |= (ETH_RSS_NONFRAG_IPV4_TCP | 372 ETH_RSS_NONFRAG_IPV6_TCP); 373 374 if ((nic_rss & RSS_IP_ENA) && (nic_rss & RSS_UDP_ENA)) 375 ethdev_rss |= (ETH_RSS_NONFRAG_IPV4_UDP | 376 ETH_RSS_NONFRAG_IPV6_UDP); 377 378 if (nic_rss & RSS_L2_EXTENDED_HASH_ENA) 379 ethdev_rss |= ETH_RSS_PORT; 380 381 if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) { 382 if (nic_rss & RSS_TUN_VXLAN_ENA) 383 ethdev_rss |= ETH_RSS_VXLAN; 384 385 if (nic_rss & RSS_TUN_GENEVE_ENA) 386 ethdev_rss |= ETH_RSS_GENEVE; 387 388 if (nic_rss & RSS_TUN_NVGRE_ENA) 389 ethdev_rss |= ETH_RSS_NVGRE; 390 } 391 return ethdev_rss; 392 } 393 394 static int 395 nicvf_dev_reta_query(struct rte_eth_dev *dev, 396 struct rte_eth_rss_reta_entry64 *reta_conf, 397 uint16_t reta_size) 398 { 399 struct nicvf *nic = nicvf_pmd_priv(dev); 400 uint8_t tbl[NIC_MAX_RSS_IDR_TBL_SIZE]; 401 int ret, i, j; 402 403 if (reta_size != NIC_MAX_RSS_IDR_TBL_SIZE) { 404 RTE_LOG(ERR, PMD, "The size of hash lookup table configured " 405 "(%d) doesn't match the number hardware can supported " 406 "(%d)", reta_size, NIC_MAX_RSS_IDR_TBL_SIZE); 407 return -EINVAL; 408 } 409 410 ret = nicvf_rss_reta_query(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE); 411 if (ret) 412 return ret; 413 414 /* Copy RETA table */ 415 for (i = 0; i < (NIC_MAX_RSS_IDR_TBL_SIZE / RTE_RETA_GROUP_SIZE); i++) { 416 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) 417 if ((reta_conf[i].mask >> j) & 0x01) 418 reta_conf[i].reta[j] = tbl[j]; 419 } 420 421 return 0; 422 } 423 424 static int 425 nicvf_dev_reta_update(struct rte_eth_dev *dev, 426 struct rte_eth_rss_reta_entry64 *reta_conf, 427 uint16_t reta_size) 428 { 429 struct nicvf *nic = nicvf_pmd_priv(dev); 430 uint8_t tbl[NIC_MAX_RSS_IDR_TBL_SIZE]; 431 int ret, i, j; 432 433 if (reta_size != NIC_MAX_RSS_IDR_TBL_SIZE) { 434 RTE_LOG(ERR, PMD, "The size of hash lookup table configured " 435 "(%d) doesn't match the number hardware can supported " 436 "(%d)", reta_size, NIC_MAX_RSS_IDR_TBL_SIZE); 437 return -EINVAL; 438 } 439 440 ret = nicvf_rss_reta_query(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE); 441 if (ret) 442 return ret; 443 444 /* Copy RETA table */ 445 for (i = 0; i < (NIC_MAX_RSS_IDR_TBL_SIZE / RTE_RETA_GROUP_SIZE); i++) { 446 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) 447 if ((reta_conf[i].mask >> j) & 0x01) 448 tbl[j] = reta_conf[i].reta[j]; 449 } 450 451 return nicvf_rss_reta_update(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE); 452 } 453 454 static int 455 nicvf_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 456 struct rte_eth_rss_conf *rss_conf) 457 { 458 struct nicvf *nic = nicvf_pmd_priv(dev); 459 460 if (rss_conf->rss_key) 461 nicvf_rss_get_key(nic, rss_conf->rss_key); 462 463 rss_conf->rss_key_len = RSS_HASH_KEY_BYTE_SIZE; 464 rss_conf->rss_hf = nicvf_rss_nic_to_ethdev(nic, nicvf_rss_get_cfg(nic)); 465 return 0; 466 } 467 468 static int 469 nicvf_dev_rss_hash_update(struct rte_eth_dev *dev, 470 struct rte_eth_rss_conf *rss_conf) 471 { 472 struct nicvf *nic = nicvf_pmd_priv(dev); 473 uint64_t nic_rss; 474 475 if (rss_conf->rss_key && 476 rss_conf->rss_key_len != RSS_HASH_KEY_BYTE_SIZE) { 477 RTE_LOG(ERR, PMD, "Hash key size mismatch %d", 478 rss_conf->rss_key_len); 479 return -EINVAL; 480 } 481 482 if (rss_conf->rss_key) 483 nicvf_rss_set_key(nic, rss_conf->rss_key); 484 485 nic_rss = nicvf_rss_ethdev_to_nic(nic, rss_conf->rss_hf); 486 nicvf_rss_set_cfg(nic, nic_rss); 487 return 0; 488 } 489 490 static int 491 nicvf_qset_cq_alloc(struct nicvf *nic, struct nicvf_rxq *rxq, uint16_t qidx, 492 uint32_t desc_cnt) 493 { 494 const struct rte_memzone *rz; 495 uint32_t ring_size = CMP_QUEUE_SZ_MAX * sizeof(union cq_entry_t); 496 497 rz = rte_eth_dma_zone_reserve(nic->eth_dev, "cq_ring", qidx, ring_size, 498 NICVF_CQ_BASE_ALIGN_BYTES, nic->node); 499 if (rz == NULL) { 500 PMD_INIT_LOG(ERR, "Failed to allocate mem for cq hw ring"); 501 return -ENOMEM; 502 } 503 504 memset(rz->addr, 0, ring_size); 505 506 rxq->phys = rz->phys_addr; 507 rxq->desc = rz->addr; 508 rxq->qlen_mask = desc_cnt - 1; 509 510 return 0; 511 } 512 513 static int 514 nicvf_qset_sq_alloc(struct nicvf *nic, struct nicvf_txq *sq, uint16_t qidx, 515 uint32_t desc_cnt) 516 { 517 const struct rte_memzone *rz; 518 uint32_t ring_size = SND_QUEUE_SZ_MAX * sizeof(union sq_entry_t); 519 520 rz = rte_eth_dma_zone_reserve(nic->eth_dev, "sq", qidx, ring_size, 521 NICVF_SQ_BASE_ALIGN_BYTES, nic->node); 522 if (rz == NULL) { 523 PMD_INIT_LOG(ERR, "Failed allocate mem for sq hw ring"); 524 return -ENOMEM; 525 } 526 527 memset(rz->addr, 0, ring_size); 528 529 sq->phys = rz->phys_addr; 530 sq->desc = rz->addr; 531 sq->qlen_mask = desc_cnt - 1; 532 533 return 0; 534 } 535 536 static int 537 nicvf_qset_rbdr_alloc(struct nicvf *nic, uint32_t desc_cnt, uint32_t buffsz) 538 { 539 struct nicvf_rbdr *rbdr; 540 const struct rte_memzone *rz; 541 uint32_t ring_size; 542 543 assert(nic->rbdr == NULL); 544 rbdr = rte_zmalloc_socket("rbdr", sizeof(struct nicvf_rbdr), 545 RTE_CACHE_LINE_SIZE, nic->node); 546 if (rbdr == NULL) { 547 PMD_INIT_LOG(ERR, "Failed to allocate mem for rbdr"); 548 return -ENOMEM; 549 } 550 551 ring_size = sizeof(struct rbdr_entry_t) * RBDR_QUEUE_SZ_MAX; 552 rz = rte_eth_dma_zone_reserve(nic->eth_dev, "rbdr", 0, ring_size, 553 NICVF_RBDR_BASE_ALIGN_BYTES, nic->node); 554 if (rz == NULL) { 555 PMD_INIT_LOG(ERR, "Failed to allocate mem for rbdr desc ring"); 556 return -ENOMEM; 557 } 558 559 memset(rz->addr, 0, ring_size); 560 561 rbdr->phys = rz->phys_addr; 562 rbdr->tail = 0; 563 rbdr->next_tail = 0; 564 rbdr->desc = rz->addr; 565 rbdr->buffsz = buffsz; 566 rbdr->qlen_mask = desc_cnt - 1; 567 rbdr->rbdr_status = 568 nicvf_qset_base(nic, 0) + NIC_QSET_RBDR_0_1_STATUS0; 569 rbdr->rbdr_door = 570 nicvf_qset_base(nic, 0) + NIC_QSET_RBDR_0_1_DOOR; 571 572 nic->rbdr = rbdr; 573 return 0; 574 } 575 576 static void 577 nicvf_rbdr_release_mbuf(struct nicvf *nic, nicvf_phys_addr_t phy) 578 { 579 uint16_t qidx; 580 void *obj; 581 struct nicvf_rxq *rxq; 582 583 for (qidx = 0; qidx < nic->eth_dev->data->nb_rx_queues; qidx++) { 584 rxq = nic->eth_dev->data->rx_queues[qidx]; 585 if (rxq->precharge_cnt) { 586 obj = (void *)nicvf_mbuff_phy2virt(phy, 587 rxq->mbuf_phys_off); 588 rte_mempool_put(rxq->pool, obj); 589 rxq->precharge_cnt--; 590 break; 591 } 592 } 593 } 594 595 static inline void 596 nicvf_rbdr_release_mbufs(struct nicvf *nic) 597 { 598 uint32_t qlen_mask, head; 599 struct rbdr_entry_t *entry; 600 struct nicvf_rbdr *rbdr = nic->rbdr; 601 602 qlen_mask = rbdr->qlen_mask; 603 head = rbdr->head; 604 while (head != rbdr->tail) { 605 entry = rbdr->desc + head; 606 nicvf_rbdr_release_mbuf(nic, entry->full_addr); 607 head++; 608 head = head & qlen_mask; 609 } 610 } 611 612 static inline void 613 nicvf_tx_queue_release_mbufs(struct nicvf_txq *txq) 614 { 615 uint32_t head; 616 617 head = txq->head; 618 while (head != txq->tail) { 619 if (txq->txbuffs[head]) { 620 rte_pktmbuf_free_seg(txq->txbuffs[head]); 621 txq->txbuffs[head] = NULL; 622 } 623 head++; 624 head = head & txq->qlen_mask; 625 } 626 } 627 628 static void 629 nicvf_tx_queue_reset(struct nicvf_txq *txq) 630 { 631 uint32_t txq_desc_cnt = txq->qlen_mask + 1; 632 633 memset(txq->desc, 0, sizeof(union sq_entry_t) * txq_desc_cnt); 634 memset(txq->txbuffs, 0, sizeof(struct rte_mbuf *) * txq_desc_cnt); 635 txq->tail = 0; 636 txq->head = 0; 637 txq->xmit_bufs = 0; 638 } 639 640 static inline int 641 nicvf_start_tx_queue(struct rte_eth_dev *dev, uint16_t qidx) 642 { 643 struct nicvf_txq *txq; 644 int ret; 645 646 if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED) 647 return 0; 648 649 txq = dev->data->tx_queues[qidx]; 650 txq->pool = NULL; 651 ret = nicvf_qset_sq_config(nicvf_pmd_priv(dev), qidx, txq); 652 if (ret) { 653 PMD_INIT_LOG(ERR, "Failed to configure sq %d %d", qidx, ret); 654 goto config_sq_error; 655 } 656 657 dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED; 658 return ret; 659 660 config_sq_error: 661 nicvf_qset_sq_reclaim(nicvf_pmd_priv(dev), qidx); 662 return ret; 663 } 664 665 static inline int 666 nicvf_stop_tx_queue(struct rte_eth_dev *dev, uint16_t qidx) 667 { 668 struct nicvf_txq *txq; 669 int ret; 670 671 if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED) 672 return 0; 673 674 ret = nicvf_qset_sq_reclaim(nicvf_pmd_priv(dev), qidx); 675 if (ret) 676 PMD_INIT_LOG(ERR, "Failed to reclaim sq %d %d", qidx, ret); 677 678 txq = dev->data->tx_queues[qidx]; 679 nicvf_tx_queue_release_mbufs(txq); 680 nicvf_tx_queue_reset(txq); 681 682 dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; 683 return ret; 684 } 685 686 static inline int 687 nicvf_configure_cpi(struct rte_eth_dev *dev) 688 { 689 struct nicvf *nic = nicvf_pmd_priv(dev); 690 uint16_t qidx, qcnt; 691 int ret; 692 693 /* Count started rx queues */ 694 for (qidx = qcnt = 0; qidx < nic->eth_dev->data->nb_rx_queues; qidx++) 695 if (dev->data->rx_queue_state[qidx] == 696 RTE_ETH_QUEUE_STATE_STARTED) 697 qcnt++; 698 699 nic->cpi_alg = CPI_ALG_NONE; 700 ret = nicvf_mbox_config_cpi(nic, qcnt); 701 if (ret) 702 PMD_INIT_LOG(ERR, "Failed to configure CPI %d", ret); 703 704 return ret; 705 } 706 707 static inline int 708 nicvf_configure_rss(struct rte_eth_dev *dev) 709 { 710 struct nicvf *nic = nicvf_pmd_priv(dev); 711 uint64_t rsshf; 712 int ret = -EINVAL; 713 714 rsshf = nicvf_rss_ethdev_to_nic(nic, 715 dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf); 716 PMD_DRV_LOG(INFO, "mode=%d rx_queues=%d loopback=%d rsshf=0x%" PRIx64, 717 dev->data->dev_conf.rxmode.mq_mode, 718 nic->eth_dev->data->nb_rx_queues, 719 nic->eth_dev->data->dev_conf.lpbk_mode, rsshf); 720 721 if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_NONE) 722 ret = nicvf_rss_term(nic); 723 else if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_RSS) 724 ret = nicvf_rss_config(nic, 725 nic->eth_dev->data->nb_rx_queues, rsshf); 726 if (ret) 727 PMD_INIT_LOG(ERR, "Failed to configure RSS %d", ret); 728 729 return ret; 730 } 731 732 static int 733 nicvf_configure_rss_reta(struct rte_eth_dev *dev) 734 { 735 struct nicvf *nic = nicvf_pmd_priv(dev); 736 unsigned int idx, qmap_size; 737 uint8_t qmap[RTE_MAX_QUEUES_PER_PORT]; 738 uint8_t default_reta[NIC_MAX_RSS_IDR_TBL_SIZE]; 739 740 if (nic->cpi_alg != CPI_ALG_NONE) 741 return -EINVAL; 742 743 /* Prepare queue map */ 744 for (idx = 0, qmap_size = 0; idx < dev->data->nb_rx_queues; idx++) { 745 if (dev->data->rx_queue_state[idx] == 746 RTE_ETH_QUEUE_STATE_STARTED) 747 qmap[qmap_size++] = idx; 748 } 749 750 /* Update default RSS RETA */ 751 for (idx = 0; idx < NIC_MAX_RSS_IDR_TBL_SIZE; idx++) 752 default_reta[idx] = qmap[idx % qmap_size]; 753 754 return nicvf_rss_reta_update(nic, default_reta, 755 NIC_MAX_RSS_IDR_TBL_SIZE); 756 } 757 758 static void 759 nicvf_dev_tx_queue_release(void *sq) 760 { 761 struct nicvf_txq *txq; 762 763 PMD_INIT_FUNC_TRACE(); 764 765 txq = (struct nicvf_txq *)sq; 766 if (txq) { 767 if (txq->txbuffs != NULL) { 768 nicvf_tx_queue_release_mbufs(txq); 769 rte_free(txq->txbuffs); 770 txq->txbuffs = NULL; 771 } 772 rte_free(txq); 773 } 774 } 775 776 static void 777 nicvf_set_tx_function(struct rte_eth_dev *dev) 778 { 779 struct nicvf_txq *txq; 780 size_t i; 781 bool multiseg = false; 782 783 for (i = 0; i < dev->data->nb_tx_queues; i++) { 784 txq = dev->data->tx_queues[i]; 785 if ((txq->txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS) == 0) { 786 multiseg = true; 787 break; 788 } 789 } 790 791 /* Use a simple Tx queue (no offloads, no multi segs) if possible */ 792 if (multiseg) { 793 PMD_DRV_LOG(DEBUG, "Using multi-segment tx callback"); 794 dev->tx_pkt_burst = nicvf_xmit_pkts_multiseg; 795 } else { 796 PMD_DRV_LOG(DEBUG, "Using single-segment tx callback"); 797 dev->tx_pkt_burst = nicvf_xmit_pkts; 798 } 799 800 if (txq->pool_free == nicvf_single_pool_free_xmited_buffers) 801 PMD_DRV_LOG(DEBUG, "Using single-mempool tx free method"); 802 else 803 PMD_DRV_LOG(DEBUG, "Using multi-mempool tx free method"); 804 } 805 806 static void 807 nicvf_set_rx_function(struct rte_eth_dev *dev) 808 { 809 if (dev->data->scattered_rx) { 810 PMD_DRV_LOG(DEBUG, "Using multi-segment rx callback"); 811 dev->rx_pkt_burst = nicvf_recv_pkts_multiseg; 812 } else { 813 PMD_DRV_LOG(DEBUG, "Using single-segment rx callback"); 814 dev->rx_pkt_burst = nicvf_recv_pkts; 815 } 816 } 817 818 static int 819 nicvf_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx, 820 uint16_t nb_desc, unsigned int socket_id, 821 const struct rte_eth_txconf *tx_conf) 822 { 823 uint16_t tx_free_thresh; 824 uint8_t is_single_pool; 825 struct nicvf_txq *txq; 826 struct nicvf *nic = nicvf_pmd_priv(dev); 827 828 PMD_INIT_FUNC_TRACE(); 829 830 /* Socket id check */ 831 if (socket_id != (unsigned int)SOCKET_ID_ANY && socket_id != nic->node) 832 PMD_DRV_LOG(WARNING, "socket_id expected %d, configured %d", 833 socket_id, nic->node); 834 835 /* Tx deferred start is not supported */ 836 if (tx_conf->tx_deferred_start) { 837 PMD_INIT_LOG(ERR, "Tx deferred start not supported"); 838 return -EINVAL; 839 } 840 841 /* Roundup nb_desc to available qsize and validate max number of desc */ 842 nb_desc = nicvf_qsize_sq_roundup(nb_desc); 843 if (nb_desc == 0) { 844 PMD_INIT_LOG(ERR, "Value of nb_desc beyond available sq qsize"); 845 return -EINVAL; 846 } 847 848 /* Validate tx_free_thresh */ 849 tx_free_thresh = (uint16_t)((tx_conf->tx_free_thresh) ? 850 tx_conf->tx_free_thresh : 851 NICVF_DEFAULT_TX_FREE_THRESH); 852 853 if (tx_free_thresh > (nb_desc) || 854 tx_free_thresh > NICVF_MAX_TX_FREE_THRESH) { 855 PMD_INIT_LOG(ERR, 856 "tx_free_thresh must be less than the number of TX " 857 "descriptors. (tx_free_thresh=%u port=%d " 858 "queue=%d)", (unsigned int)tx_free_thresh, 859 (int)dev->data->port_id, (int)qidx); 860 return -EINVAL; 861 } 862 863 /* Free memory prior to re-allocation if needed. */ 864 if (dev->data->tx_queues[qidx] != NULL) { 865 PMD_TX_LOG(DEBUG, "Freeing memory prior to re-allocation %d", 866 qidx); 867 nicvf_dev_tx_queue_release(dev->data->tx_queues[qidx]); 868 dev->data->tx_queues[qidx] = NULL; 869 } 870 871 /* Allocating tx queue data structure */ 872 txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct nicvf_txq), 873 RTE_CACHE_LINE_SIZE, nic->node); 874 if (txq == NULL) { 875 PMD_INIT_LOG(ERR, "Failed to allocate txq=%d", qidx); 876 return -ENOMEM; 877 } 878 879 txq->nic = nic; 880 txq->queue_id = qidx; 881 txq->tx_free_thresh = tx_free_thresh; 882 txq->txq_flags = tx_conf->txq_flags; 883 txq->sq_head = nicvf_qset_base(nic, qidx) + NIC_QSET_SQ_0_7_HEAD; 884 txq->sq_door = nicvf_qset_base(nic, qidx) + NIC_QSET_SQ_0_7_DOOR; 885 is_single_pool = (txq->txq_flags & ETH_TXQ_FLAGS_NOREFCOUNT && 886 txq->txq_flags & ETH_TXQ_FLAGS_NOMULTMEMP); 887 888 /* Choose optimum free threshold value for multipool case */ 889 if (!is_single_pool) { 890 txq->tx_free_thresh = (uint16_t) 891 (tx_conf->tx_free_thresh == NICVF_DEFAULT_TX_FREE_THRESH ? 892 NICVF_TX_FREE_MPOOL_THRESH : 893 tx_conf->tx_free_thresh); 894 txq->pool_free = nicvf_multi_pool_free_xmited_buffers; 895 } else { 896 txq->pool_free = nicvf_single_pool_free_xmited_buffers; 897 } 898 899 /* Allocate software ring */ 900 txq->txbuffs = rte_zmalloc_socket("txq->txbuffs", 901 nb_desc * sizeof(struct rte_mbuf *), 902 RTE_CACHE_LINE_SIZE, nic->node); 903 904 if (txq->txbuffs == NULL) { 905 nicvf_dev_tx_queue_release(txq); 906 return -ENOMEM; 907 } 908 909 if (nicvf_qset_sq_alloc(nic, txq, qidx, nb_desc)) { 910 PMD_INIT_LOG(ERR, "Failed to allocate mem for sq %d", qidx); 911 nicvf_dev_tx_queue_release(txq); 912 return -ENOMEM; 913 } 914 915 nicvf_tx_queue_reset(txq); 916 917 PMD_TX_LOG(DEBUG, "[%d] txq=%p nb_desc=%d desc=%p phys=0x%" PRIx64, 918 qidx, txq, nb_desc, txq->desc, txq->phys); 919 920 dev->data->tx_queues[qidx] = txq; 921 dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; 922 return 0; 923 } 924 925 static inline void 926 nicvf_rx_queue_release_mbufs(struct nicvf_rxq *rxq) 927 { 928 uint32_t rxq_cnt; 929 uint32_t nb_pkts, released_pkts = 0; 930 uint32_t refill_cnt = 0; 931 struct rte_eth_dev *dev = rxq->nic->eth_dev; 932 struct rte_mbuf *rx_pkts[NICVF_MAX_RX_FREE_THRESH]; 933 934 if (dev->rx_pkt_burst == NULL) 935 return; 936 937 while ((rxq_cnt = nicvf_dev_rx_queue_count(dev, rxq->queue_id))) { 938 nb_pkts = dev->rx_pkt_burst(rxq, rx_pkts, 939 NICVF_MAX_RX_FREE_THRESH); 940 PMD_DRV_LOG(INFO, "nb_pkts=%d rxq_cnt=%d", nb_pkts, rxq_cnt); 941 while (nb_pkts) { 942 rte_pktmbuf_free_seg(rx_pkts[--nb_pkts]); 943 released_pkts++; 944 } 945 } 946 947 refill_cnt += nicvf_dev_rbdr_refill(dev, rxq->queue_id); 948 PMD_DRV_LOG(INFO, "free_cnt=%d refill_cnt=%d", 949 released_pkts, refill_cnt); 950 } 951 952 static void 953 nicvf_rx_queue_reset(struct nicvf_rxq *rxq) 954 { 955 rxq->head = 0; 956 rxq->available_space = 0; 957 rxq->recv_buffers = 0; 958 } 959 960 static inline int 961 nicvf_start_rx_queue(struct rte_eth_dev *dev, uint16_t qidx) 962 { 963 struct nicvf *nic = nicvf_pmd_priv(dev); 964 struct nicvf_rxq *rxq; 965 int ret; 966 967 if (dev->data->rx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED) 968 return 0; 969 970 /* Update rbdr pointer to all rxq */ 971 rxq = dev->data->rx_queues[qidx]; 972 rxq->shared_rbdr = nic->rbdr; 973 974 ret = nicvf_qset_rq_config(nic, qidx, rxq); 975 if (ret) { 976 PMD_INIT_LOG(ERR, "Failed to configure rq %d %d", qidx, ret); 977 goto config_rq_error; 978 } 979 ret = nicvf_qset_cq_config(nic, qidx, rxq); 980 if (ret) { 981 PMD_INIT_LOG(ERR, "Failed to configure cq %d %d", qidx, ret); 982 goto config_cq_error; 983 } 984 985 dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED; 986 return 0; 987 988 config_cq_error: 989 nicvf_qset_cq_reclaim(nic, qidx); 990 config_rq_error: 991 nicvf_qset_rq_reclaim(nic, qidx); 992 return ret; 993 } 994 995 static inline int 996 nicvf_stop_rx_queue(struct rte_eth_dev *dev, uint16_t qidx) 997 { 998 struct nicvf *nic = nicvf_pmd_priv(dev); 999 struct nicvf_rxq *rxq; 1000 int ret, other_error; 1001 1002 if (dev->data->rx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED) 1003 return 0; 1004 1005 ret = nicvf_qset_rq_reclaim(nic, qidx); 1006 if (ret) 1007 PMD_INIT_LOG(ERR, "Failed to reclaim rq %d %d", qidx, ret); 1008 1009 other_error = ret; 1010 rxq = dev->data->rx_queues[qidx]; 1011 nicvf_rx_queue_release_mbufs(rxq); 1012 nicvf_rx_queue_reset(rxq); 1013 1014 ret = nicvf_qset_cq_reclaim(nic, qidx); 1015 if (ret) 1016 PMD_INIT_LOG(ERR, "Failed to reclaim cq %d %d", qidx, ret); 1017 1018 other_error |= ret; 1019 dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; 1020 return other_error; 1021 } 1022 1023 static void 1024 nicvf_dev_rx_queue_release(void *rx_queue) 1025 { 1026 struct nicvf_rxq *rxq = rx_queue; 1027 1028 PMD_INIT_FUNC_TRACE(); 1029 1030 if (rxq) 1031 rte_free(rxq); 1032 } 1033 1034 static int 1035 nicvf_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t qidx) 1036 { 1037 int ret; 1038 1039 ret = nicvf_start_rx_queue(dev, qidx); 1040 if (ret) 1041 return ret; 1042 1043 ret = nicvf_configure_cpi(dev); 1044 if (ret) 1045 return ret; 1046 1047 return nicvf_configure_rss_reta(dev); 1048 } 1049 1050 static int 1051 nicvf_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx) 1052 { 1053 int ret; 1054 1055 ret = nicvf_stop_rx_queue(dev, qidx); 1056 ret |= nicvf_configure_cpi(dev); 1057 ret |= nicvf_configure_rss_reta(dev); 1058 return ret; 1059 } 1060 1061 static int 1062 nicvf_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx) 1063 { 1064 return nicvf_start_tx_queue(dev, qidx); 1065 } 1066 1067 static int 1068 nicvf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx) 1069 { 1070 return nicvf_stop_tx_queue(dev, qidx); 1071 } 1072 1073 static int 1074 nicvf_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx, 1075 uint16_t nb_desc, unsigned int socket_id, 1076 const struct rte_eth_rxconf *rx_conf, 1077 struct rte_mempool *mp) 1078 { 1079 uint16_t rx_free_thresh; 1080 struct nicvf_rxq *rxq; 1081 struct nicvf *nic = nicvf_pmd_priv(dev); 1082 1083 PMD_INIT_FUNC_TRACE(); 1084 1085 /* Socket id check */ 1086 if (socket_id != (unsigned int)SOCKET_ID_ANY && socket_id != nic->node) 1087 PMD_DRV_LOG(WARNING, "socket_id expected %d, configured %d", 1088 socket_id, nic->node); 1089 1090 /* Mempool memory should be contiguous */ 1091 if (mp->nb_mem_chunks != 1) { 1092 PMD_INIT_LOG(ERR, "Non contiguous mempool, check huge page sz"); 1093 return -EINVAL; 1094 } 1095 1096 /* Rx deferred start is not supported */ 1097 if (rx_conf->rx_deferred_start) { 1098 PMD_INIT_LOG(ERR, "Rx deferred start not supported"); 1099 return -EINVAL; 1100 } 1101 1102 /* Roundup nb_desc to available qsize and validate max number of desc */ 1103 nb_desc = nicvf_qsize_cq_roundup(nb_desc); 1104 if (nb_desc == 0) { 1105 PMD_INIT_LOG(ERR, "Value nb_desc beyond available hw cq qsize"); 1106 return -EINVAL; 1107 } 1108 1109 /* Check rx_free_thresh upper bound */ 1110 rx_free_thresh = (uint16_t)((rx_conf->rx_free_thresh) ? 1111 rx_conf->rx_free_thresh : 1112 NICVF_DEFAULT_RX_FREE_THRESH); 1113 if (rx_free_thresh > NICVF_MAX_RX_FREE_THRESH || 1114 rx_free_thresh >= nb_desc * .75) { 1115 PMD_INIT_LOG(ERR, "rx_free_thresh greater than expected %d", 1116 rx_free_thresh); 1117 return -EINVAL; 1118 } 1119 1120 /* Free memory prior to re-allocation if needed */ 1121 if (dev->data->rx_queues[qidx] != NULL) { 1122 PMD_RX_LOG(DEBUG, "Freeing memory prior to re-allocation %d", 1123 qidx); 1124 nicvf_dev_rx_queue_release(dev->data->rx_queues[qidx]); 1125 dev->data->rx_queues[qidx] = NULL; 1126 } 1127 1128 /* Allocate rxq memory */ 1129 rxq = rte_zmalloc_socket("ethdev rx queue", sizeof(struct nicvf_rxq), 1130 RTE_CACHE_LINE_SIZE, nic->node); 1131 if (rxq == NULL) { 1132 PMD_INIT_LOG(ERR, "Failed to allocate rxq=%d", qidx); 1133 return -ENOMEM; 1134 } 1135 1136 rxq->nic = nic; 1137 rxq->pool = mp; 1138 rxq->queue_id = qidx; 1139 rxq->port_id = dev->data->port_id; 1140 rxq->rx_free_thresh = rx_free_thresh; 1141 rxq->rx_drop_en = rx_conf->rx_drop_en; 1142 rxq->cq_status = nicvf_qset_base(nic, qidx) + NIC_QSET_CQ_0_7_STATUS; 1143 rxq->cq_door = nicvf_qset_base(nic, qidx) + NIC_QSET_CQ_0_7_DOOR; 1144 rxq->precharge_cnt = 0; 1145 rxq->rbptr_offset = NICVF_CQE_RBPTR_WORD; 1146 1147 /* Alloc completion queue */ 1148 if (nicvf_qset_cq_alloc(nic, rxq, rxq->queue_id, nb_desc)) { 1149 PMD_INIT_LOG(ERR, "failed to allocate cq %u", rxq->queue_id); 1150 nicvf_dev_rx_queue_release(rxq); 1151 return -ENOMEM; 1152 } 1153 1154 nicvf_rx_queue_reset(rxq); 1155 1156 PMD_RX_LOG(DEBUG, "[%d] rxq=%p pool=%s nb_desc=(%d/%d) phy=%" PRIx64, 1157 qidx, rxq, mp->name, nb_desc, 1158 rte_mempool_avail_count(mp), rxq->phys); 1159 1160 dev->data->rx_queues[qidx] = rxq; 1161 dev->data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED; 1162 return 0; 1163 } 1164 1165 static void 1166 nicvf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) 1167 { 1168 struct nicvf *nic = nicvf_pmd_priv(dev); 1169 1170 PMD_INIT_FUNC_TRACE(); 1171 1172 dev_info->min_rx_bufsize = ETHER_MIN_MTU; 1173 dev_info->max_rx_pktlen = NIC_HW_MAX_FRS; 1174 dev_info->max_rx_queues = (uint16_t)MAX_RCV_QUEUES_PER_QS; 1175 dev_info->max_tx_queues = (uint16_t)MAX_SND_QUEUES_PER_QS; 1176 dev_info->max_mac_addrs = 1; 1177 dev_info->max_vfs = dev->pci_dev->max_vfs; 1178 1179 dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP; 1180 dev_info->tx_offload_capa = 1181 DEV_TX_OFFLOAD_IPV4_CKSUM | 1182 DEV_TX_OFFLOAD_UDP_CKSUM | 1183 DEV_TX_OFFLOAD_TCP_CKSUM | 1184 DEV_TX_OFFLOAD_TCP_TSO | 1185 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM; 1186 1187 dev_info->reta_size = nic->rss_info.rss_size; 1188 dev_info->hash_key_size = RSS_HASH_KEY_BYTE_SIZE; 1189 dev_info->flow_type_rss_offloads = NICVF_RSS_OFFLOAD_PASS1; 1190 if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) 1191 dev_info->flow_type_rss_offloads |= NICVF_RSS_OFFLOAD_TUNNEL; 1192 1193 dev_info->default_rxconf = (struct rte_eth_rxconf) { 1194 .rx_free_thresh = NICVF_DEFAULT_RX_FREE_THRESH, 1195 .rx_drop_en = 0, 1196 }; 1197 1198 dev_info->default_txconf = (struct rte_eth_txconf) { 1199 .tx_free_thresh = NICVF_DEFAULT_TX_FREE_THRESH, 1200 .txq_flags = 1201 ETH_TXQ_FLAGS_NOMULTSEGS | 1202 ETH_TXQ_FLAGS_NOREFCOUNT | 1203 ETH_TXQ_FLAGS_NOMULTMEMP | 1204 ETH_TXQ_FLAGS_NOVLANOFFL | 1205 ETH_TXQ_FLAGS_NOXSUMSCTP, 1206 }; 1207 } 1208 1209 static nicvf_phys_addr_t 1210 rbdr_rte_mempool_get(void *opaque) 1211 { 1212 uint16_t qidx; 1213 uintptr_t mbuf; 1214 struct nicvf_rxq *rxq; 1215 struct nicvf *nic = nicvf_pmd_priv((struct rte_eth_dev *)opaque); 1216 1217 for (qidx = 0; qidx < nic->eth_dev->data->nb_rx_queues; qidx++) { 1218 rxq = nic->eth_dev->data->rx_queues[qidx]; 1219 /* Maintain equal buffer count across all pools */ 1220 if (rxq->precharge_cnt >= rxq->qlen_mask) 1221 continue; 1222 rxq->precharge_cnt++; 1223 mbuf = (uintptr_t)rte_pktmbuf_alloc(rxq->pool); 1224 if (mbuf) 1225 return nicvf_mbuff_virt2phy(mbuf, rxq->mbuf_phys_off); 1226 } 1227 return 0; 1228 } 1229 1230 static int 1231 nicvf_dev_start(struct rte_eth_dev *dev) 1232 { 1233 int ret; 1234 uint16_t qidx; 1235 uint32_t buffsz = 0, rbdrsz = 0; 1236 uint32_t total_rxq_desc, nb_rbdr_desc, exp_buffs; 1237 uint64_t mbuf_phys_off = 0; 1238 struct nicvf_rxq *rxq; 1239 struct rte_pktmbuf_pool_private *mbp_priv; 1240 struct rte_mbuf *mbuf; 1241 struct nicvf *nic = nicvf_pmd_priv(dev); 1242 struct rte_eth_rxmode *rx_conf = &dev->data->dev_conf.rxmode; 1243 uint16_t mtu; 1244 1245 PMD_INIT_FUNC_TRACE(); 1246 1247 /* Userspace process exited without proper shutdown in last run */ 1248 if (nicvf_qset_rbdr_active(nic, 0)) 1249 nicvf_dev_stop(dev); 1250 1251 /* 1252 * Thunderx nicvf PMD can support more than one pool per port only when 1253 * 1) Data payload size is same across all the pools in given port 1254 * AND 1255 * 2) All mbuffs in the pools are from the same hugepage 1256 * AND 1257 * 3) Mbuff metadata size is same across all the pools in given port 1258 * 1259 * This is to support existing application that uses multiple pool/port. 1260 * But, the purpose of using multipool for QoS will not be addressed. 1261 * 1262 */ 1263 1264 /* Validate RBDR buff size */ 1265 for (qidx = 0; qidx < nic->eth_dev->data->nb_rx_queues; qidx++) { 1266 rxq = dev->data->rx_queues[qidx]; 1267 mbp_priv = rte_mempool_get_priv(rxq->pool); 1268 buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM; 1269 if (buffsz % 128) { 1270 PMD_INIT_LOG(ERR, "rxbuf size must be multiply of 128"); 1271 return -EINVAL; 1272 } 1273 if (rbdrsz == 0) 1274 rbdrsz = buffsz; 1275 if (rbdrsz != buffsz) { 1276 PMD_INIT_LOG(ERR, "buffsz not same, qid=%d (%d/%d)", 1277 qidx, rbdrsz, buffsz); 1278 return -EINVAL; 1279 } 1280 } 1281 1282 /* Validate mempool attributes */ 1283 for (qidx = 0; qidx < nic->eth_dev->data->nb_rx_queues; qidx++) { 1284 rxq = dev->data->rx_queues[qidx]; 1285 rxq->mbuf_phys_off = nicvf_mempool_phy_offset(rxq->pool); 1286 mbuf = rte_pktmbuf_alloc(rxq->pool); 1287 if (mbuf == NULL) { 1288 PMD_INIT_LOG(ERR, "Failed allocate mbuf qid=%d pool=%s", 1289 qidx, rxq->pool->name); 1290 return -ENOMEM; 1291 } 1292 rxq->mbuf_phys_off -= nicvf_mbuff_meta_length(mbuf); 1293 rxq->mbuf_phys_off -= RTE_PKTMBUF_HEADROOM; 1294 rte_pktmbuf_free(mbuf); 1295 1296 if (mbuf_phys_off == 0) 1297 mbuf_phys_off = rxq->mbuf_phys_off; 1298 if (mbuf_phys_off != rxq->mbuf_phys_off) { 1299 PMD_INIT_LOG(ERR, "pool params not same,%s %" PRIx64, 1300 rxq->pool->name, mbuf_phys_off); 1301 return -EINVAL; 1302 } 1303 } 1304 1305 /* Check the level of buffers in the pool */ 1306 total_rxq_desc = 0; 1307 for (qidx = 0; qidx < nic->eth_dev->data->nb_rx_queues; qidx++) { 1308 rxq = dev->data->rx_queues[qidx]; 1309 /* Count total numbers of rxq descs */ 1310 total_rxq_desc += rxq->qlen_mask + 1; 1311 exp_buffs = RTE_MEMPOOL_CACHE_MAX_SIZE + rxq->rx_free_thresh; 1312 exp_buffs *= nic->eth_dev->data->nb_rx_queues; 1313 if (rte_mempool_avail_count(rxq->pool) < exp_buffs) { 1314 PMD_INIT_LOG(ERR, "Buff shortage in pool=%s (%d/%d)", 1315 rxq->pool->name, 1316 rte_mempool_avail_count(rxq->pool), 1317 exp_buffs); 1318 return -ENOENT; 1319 } 1320 } 1321 1322 /* Check RBDR desc overflow */ 1323 ret = nicvf_qsize_rbdr_roundup(total_rxq_desc); 1324 if (ret == 0) { 1325 PMD_INIT_LOG(ERR, "Reached RBDR desc limit, reduce nr desc"); 1326 return -ENOMEM; 1327 } 1328 1329 /* Enable qset */ 1330 ret = nicvf_qset_config(nic); 1331 if (ret) { 1332 PMD_INIT_LOG(ERR, "Failed to enable qset %d", ret); 1333 return ret; 1334 } 1335 1336 /* Allocate RBDR and RBDR ring desc */ 1337 nb_rbdr_desc = nicvf_qsize_rbdr_roundup(total_rxq_desc); 1338 ret = nicvf_qset_rbdr_alloc(nic, nb_rbdr_desc, rbdrsz); 1339 if (ret) { 1340 PMD_INIT_LOG(ERR, "Failed to allocate memory for rbdr alloc"); 1341 goto qset_reclaim; 1342 } 1343 1344 /* Enable and configure RBDR registers */ 1345 ret = nicvf_qset_rbdr_config(nic, 0); 1346 if (ret) { 1347 PMD_INIT_LOG(ERR, "Failed to configure rbdr %d", ret); 1348 goto qset_rbdr_free; 1349 } 1350 1351 /* Fill rte_mempool buffers in RBDR pool and precharge it */ 1352 ret = nicvf_qset_rbdr_precharge(nic, 0, rbdr_rte_mempool_get, 1353 dev, total_rxq_desc); 1354 if (ret) { 1355 PMD_INIT_LOG(ERR, "Failed to fill rbdr %d", ret); 1356 goto qset_rbdr_reclaim; 1357 } 1358 1359 PMD_DRV_LOG(INFO, "Filled %d out of %d entries in RBDR", 1360 nic->rbdr->tail, nb_rbdr_desc); 1361 1362 /* Configure RX queues */ 1363 for (qidx = 0; qidx < nic->eth_dev->data->nb_rx_queues; qidx++) { 1364 ret = nicvf_start_rx_queue(dev, qidx); 1365 if (ret) 1366 goto start_rxq_error; 1367 } 1368 1369 /* Configure VLAN Strip */ 1370 nicvf_vlan_hw_strip(nic, dev->data->dev_conf.rxmode.hw_vlan_strip); 1371 1372 /* Configure TX queues */ 1373 for (qidx = 0; qidx < nic->eth_dev->data->nb_tx_queues; qidx++) { 1374 ret = nicvf_start_tx_queue(dev, qidx); 1375 if (ret) 1376 goto start_txq_error; 1377 } 1378 1379 /* Configure CPI algorithm */ 1380 ret = nicvf_configure_cpi(dev); 1381 if (ret) 1382 goto start_txq_error; 1383 1384 /* Configure RSS */ 1385 ret = nicvf_configure_rss(dev); 1386 if (ret) 1387 goto qset_rss_error; 1388 1389 /* Configure loopback */ 1390 ret = nicvf_loopback_config(nic, dev->data->dev_conf.lpbk_mode); 1391 if (ret) { 1392 PMD_INIT_LOG(ERR, "Failed to configure loopback %d", ret); 1393 goto qset_rss_error; 1394 } 1395 1396 /* Reset all statistics counters attached to this port */ 1397 ret = nicvf_mbox_reset_stat_counters(nic, 0x3FFF, 0x1F, 0xFFFF, 0xFFFF); 1398 if (ret) { 1399 PMD_INIT_LOG(ERR, "Failed to reset stat counters %d", ret); 1400 goto qset_rss_error; 1401 } 1402 1403 /* Setup scatter mode if needed by jumbo */ 1404 if (dev->data->dev_conf.rxmode.max_rx_pkt_len + 1405 2 * VLAN_TAG_SIZE > buffsz) 1406 dev->data->scattered_rx = 1; 1407 if (rx_conf->enable_scatter) 1408 dev->data->scattered_rx = 1; 1409 1410 /* Setup MTU based on max_rx_pkt_len or default */ 1411 mtu = dev->data->dev_conf.rxmode.jumbo_frame ? 1412 dev->data->dev_conf.rxmode.max_rx_pkt_len 1413 - ETHER_HDR_LEN - ETHER_CRC_LEN 1414 : ETHER_MTU; 1415 1416 if (nicvf_dev_set_mtu(dev, mtu)) { 1417 PMD_INIT_LOG(ERR, "Failed to set default mtu size"); 1418 return -EBUSY; 1419 } 1420 1421 /* Configure callbacks based on scatter mode */ 1422 nicvf_set_tx_function(dev); 1423 nicvf_set_rx_function(dev); 1424 1425 /* Done; Let PF make the BGX's RX and TX switches to ON position */ 1426 nicvf_mbox_cfg_done(nic); 1427 return 0; 1428 1429 qset_rss_error: 1430 nicvf_rss_term(nic); 1431 start_txq_error: 1432 for (qidx = 0; qidx < nic->eth_dev->data->nb_tx_queues; qidx++) 1433 nicvf_stop_tx_queue(dev, qidx); 1434 start_rxq_error: 1435 for (qidx = 0; qidx < nic->eth_dev->data->nb_rx_queues; qidx++) 1436 nicvf_stop_rx_queue(dev, qidx); 1437 qset_rbdr_reclaim: 1438 nicvf_qset_rbdr_reclaim(nic, 0); 1439 nicvf_rbdr_release_mbufs(nic); 1440 qset_rbdr_free: 1441 if (nic->rbdr) { 1442 rte_free(nic->rbdr); 1443 nic->rbdr = NULL; 1444 } 1445 qset_reclaim: 1446 nicvf_qset_reclaim(nic); 1447 return ret; 1448 } 1449 1450 static void 1451 nicvf_dev_stop(struct rte_eth_dev *dev) 1452 { 1453 int ret; 1454 uint16_t qidx; 1455 struct nicvf *nic = nicvf_pmd_priv(dev); 1456 1457 PMD_INIT_FUNC_TRACE(); 1458 1459 /* Let PF make the BGX's RX and TX switches to OFF position */ 1460 nicvf_mbox_shutdown(nic); 1461 1462 /* Disable loopback */ 1463 ret = nicvf_loopback_config(nic, 0); 1464 if (ret) 1465 PMD_INIT_LOG(ERR, "Failed to disable loopback %d", ret); 1466 1467 /* Disable VLAN Strip */ 1468 nicvf_vlan_hw_strip(nic, 0); 1469 1470 /* Reclaim sq */ 1471 for (qidx = 0; qidx < dev->data->nb_tx_queues; qidx++) 1472 nicvf_stop_tx_queue(dev, qidx); 1473 1474 /* Reclaim rq */ 1475 for (qidx = 0; qidx < dev->data->nb_rx_queues; qidx++) 1476 nicvf_stop_rx_queue(dev, qidx); 1477 1478 /* Reclaim RBDR */ 1479 ret = nicvf_qset_rbdr_reclaim(nic, 0); 1480 if (ret) 1481 PMD_INIT_LOG(ERR, "Failed to reclaim RBDR %d", ret); 1482 1483 /* Move all charged buffers in RBDR back to pool */ 1484 if (nic->rbdr != NULL) 1485 nicvf_rbdr_release_mbufs(nic); 1486 1487 /* Reclaim CPI configuration */ 1488 if (!nic->sqs_mode) { 1489 ret = nicvf_mbox_config_cpi(nic, 0); 1490 if (ret) 1491 PMD_INIT_LOG(ERR, "Failed to reclaim CPI config"); 1492 } 1493 1494 /* Disable qset */ 1495 ret = nicvf_qset_config(nic); 1496 if (ret) 1497 PMD_INIT_LOG(ERR, "Failed to disable qset %d", ret); 1498 1499 /* Disable all interrupts */ 1500 nicvf_disable_all_interrupts(nic); 1501 1502 /* Free RBDR SW structure */ 1503 if (nic->rbdr) { 1504 rte_free(nic->rbdr); 1505 nic->rbdr = NULL; 1506 } 1507 } 1508 1509 static void 1510 nicvf_dev_close(struct rte_eth_dev *dev) 1511 { 1512 struct nicvf *nic = nicvf_pmd_priv(dev); 1513 1514 PMD_INIT_FUNC_TRACE(); 1515 1516 nicvf_dev_stop(dev); 1517 nicvf_periodic_alarm_stop(nic); 1518 } 1519 1520 static int 1521 nicvf_dev_configure(struct rte_eth_dev *dev) 1522 { 1523 struct rte_eth_conf *conf = &dev->data->dev_conf; 1524 struct rte_eth_rxmode *rxmode = &conf->rxmode; 1525 struct rte_eth_txmode *txmode = &conf->txmode; 1526 struct nicvf *nic = nicvf_pmd_priv(dev); 1527 1528 PMD_INIT_FUNC_TRACE(); 1529 1530 if (!rte_eal_has_hugepages()) { 1531 PMD_INIT_LOG(INFO, "Huge page is not configured"); 1532 return -EINVAL; 1533 } 1534 1535 if (txmode->mq_mode) { 1536 PMD_INIT_LOG(INFO, "Tx mq_mode DCB or VMDq not supported"); 1537 return -EINVAL; 1538 } 1539 1540 if (rxmode->mq_mode != ETH_MQ_RX_NONE && 1541 rxmode->mq_mode != ETH_MQ_RX_RSS) { 1542 PMD_INIT_LOG(INFO, "Unsupported rx qmode %d", rxmode->mq_mode); 1543 return -EINVAL; 1544 } 1545 1546 if (!rxmode->hw_strip_crc) { 1547 PMD_INIT_LOG(NOTICE, "Can't disable hw crc strip"); 1548 rxmode->hw_strip_crc = 1; 1549 } 1550 1551 if (rxmode->hw_ip_checksum) { 1552 PMD_INIT_LOG(NOTICE, "Rxcksum not supported"); 1553 rxmode->hw_ip_checksum = 0; 1554 } 1555 1556 if (rxmode->split_hdr_size) { 1557 PMD_INIT_LOG(INFO, "Rxmode does not support split header"); 1558 return -EINVAL; 1559 } 1560 1561 if (rxmode->hw_vlan_filter) { 1562 PMD_INIT_LOG(INFO, "VLAN filter not supported"); 1563 return -EINVAL; 1564 } 1565 1566 if (rxmode->hw_vlan_extend) { 1567 PMD_INIT_LOG(INFO, "VLAN extended not supported"); 1568 return -EINVAL; 1569 } 1570 1571 if (rxmode->enable_lro) { 1572 PMD_INIT_LOG(INFO, "LRO not supported"); 1573 return -EINVAL; 1574 } 1575 1576 if (conf->link_speeds & ETH_LINK_SPEED_FIXED) { 1577 PMD_INIT_LOG(INFO, "Setting link speed/duplex not supported"); 1578 return -EINVAL; 1579 } 1580 1581 if (conf->dcb_capability_en) { 1582 PMD_INIT_LOG(INFO, "DCB enable not supported"); 1583 return -EINVAL; 1584 } 1585 1586 if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) { 1587 PMD_INIT_LOG(INFO, "Flow director not supported"); 1588 return -EINVAL; 1589 } 1590 1591 PMD_INIT_LOG(DEBUG, "Configured ethdev port%d hwcap=0x%" PRIx64, 1592 dev->data->port_id, nicvf_hw_cap(nic)); 1593 1594 return 0; 1595 } 1596 1597 /* Initialize and register driver with DPDK Application */ 1598 static const struct eth_dev_ops nicvf_eth_dev_ops = { 1599 .dev_configure = nicvf_dev_configure, 1600 .dev_start = nicvf_dev_start, 1601 .dev_stop = nicvf_dev_stop, 1602 .link_update = nicvf_dev_link_update, 1603 .dev_close = nicvf_dev_close, 1604 .stats_get = nicvf_dev_stats_get, 1605 .stats_reset = nicvf_dev_stats_reset, 1606 .promiscuous_enable = nicvf_dev_promisc_enable, 1607 .dev_infos_get = nicvf_dev_info_get, 1608 .dev_supported_ptypes_get = nicvf_dev_supported_ptypes_get, 1609 .mtu_set = nicvf_dev_set_mtu, 1610 .reta_update = nicvf_dev_reta_update, 1611 .reta_query = nicvf_dev_reta_query, 1612 .rss_hash_update = nicvf_dev_rss_hash_update, 1613 .rss_hash_conf_get = nicvf_dev_rss_hash_conf_get, 1614 .rx_queue_start = nicvf_dev_rx_queue_start, 1615 .rx_queue_stop = nicvf_dev_rx_queue_stop, 1616 .tx_queue_start = nicvf_dev_tx_queue_start, 1617 .tx_queue_stop = nicvf_dev_tx_queue_stop, 1618 .rx_queue_setup = nicvf_dev_rx_queue_setup, 1619 .rx_queue_release = nicvf_dev_rx_queue_release, 1620 .rx_queue_count = nicvf_dev_rx_queue_count, 1621 .tx_queue_setup = nicvf_dev_tx_queue_setup, 1622 .tx_queue_release = nicvf_dev_tx_queue_release, 1623 .get_reg = nicvf_dev_get_regs, 1624 }; 1625 1626 static int 1627 nicvf_eth_dev_init(struct rte_eth_dev *eth_dev) 1628 { 1629 int ret; 1630 struct rte_pci_device *pci_dev; 1631 struct nicvf *nic = nicvf_pmd_priv(eth_dev); 1632 1633 PMD_INIT_FUNC_TRACE(); 1634 1635 eth_dev->dev_ops = &nicvf_eth_dev_ops; 1636 1637 /* For secondary processes, the primary has done all the work */ 1638 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 1639 /* Setup callbacks for secondary process */ 1640 nicvf_set_tx_function(eth_dev); 1641 nicvf_set_rx_function(eth_dev); 1642 return 0; 1643 } 1644 1645 pci_dev = eth_dev->pci_dev; 1646 rte_eth_copy_pci_info(eth_dev, pci_dev); 1647 1648 nic->device_id = pci_dev->id.device_id; 1649 nic->vendor_id = pci_dev->id.vendor_id; 1650 nic->subsystem_device_id = pci_dev->id.subsystem_device_id; 1651 nic->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id; 1652 nic->eth_dev = eth_dev; 1653 1654 PMD_INIT_LOG(DEBUG, "nicvf: device (%x:%x) %u:%u:%u:%u", 1655 pci_dev->id.vendor_id, pci_dev->id.device_id, 1656 pci_dev->addr.domain, pci_dev->addr.bus, 1657 pci_dev->addr.devid, pci_dev->addr.function); 1658 1659 nic->reg_base = (uintptr_t)pci_dev->mem_resource[0].addr; 1660 if (!nic->reg_base) { 1661 PMD_INIT_LOG(ERR, "Failed to map BAR0"); 1662 ret = -ENODEV; 1663 goto fail; 1664 } 1665 1666 nicvf_disable_all_interrupts(nic); 1667 1668 ret = nicvf_periodic_alarm_start(nic); 1669 if (ret) { 1670 PMD_INIT_LOG(ERR, "Failed to start period alarm"); 1671 goto fail; 1672 } 1673 1674 ret = nicvf_mbox_check_pf_ready(nic); 1675 if (ret) { 1676 PMD_INIT_LOG(ERR, "Failed to get ready message from PF"); 1677 goto alarm_fail; 1678 } else { 1679 PMD_INIT_LOG(INFO, 1680 "node=%d vf=%d mode=%s sqs=%s loopback_supported=%s", 1681 nic->node, nic->vf_id, 1682 nic->tns_mode == NIC_TNS_MODE ? "tns" : "tns-bypass", 1683 nic->sqs_mode ? "true" : "false", 1684 nic->loopback_supported ? "true" : "false" 1685 ); 1686 } 1687 1688 if (nic->sqs_mode) { 1689 PMD_INIT_LOG(INFO, "Unsupported SQS VF detected, Detaching..."); 1690 /* Detach port by returning Positive error number */ 1691 ret = ENOTSUP; 1692 goto alarm_fail; 1693 } 1694 1695 eth_dev->data->mac_addrs = rte_zmalloc("mac_addr", ETHER_ADDR_LEN, 0); 1696 if (eth_dev->data->mac_addrs == NULL) { 1697 PMD_INIT_LOG(ERR, "Failed to allocate memory for mac addr"); 1698 ret = -ENOMEM; 1699 goto alarm_fail; 1700 } 1701 if (is_zero_ether_addr((struct ether_addr *)nic->mac_addr)) 1702 eth_random_addr(&nic->mac_addr[0]); 1703 1704 ether_addr_copy((struct ether_addr *)nic->mac_addr, 1705 ð_dev->data->mac_addrs[0]); 1706 1707 ret = nicvf_mbox_set_mac_addr(nic, nic->mac_addr); 1708 if (ret) { 1709 PMD_INIT_LOG(ERR, "Failed to set mac addr"); 1710 goto malloc_fail; 1711 } 1712 1713 ret = nicvf_base_init(nic); 1714 if (ret) { 1715 PMD_INIT_LOG(ERR, "Failed to execute nicvf_base_init"); 1716 goto malloc_fail; 1717 } 1718 1719 ret = nicvf_mbox_get_rss_size(nic); 1720 if (ret) { 1721 PMD_INIT_LOG(ERR, "Failed to get rss table size"); 1722 goto malloc_fail; 1723 } 1724 1725 PMD_INIT_LOG(INFO, "Port %d (%x:%x) mac=%02x:%02x:%02x:%02x:%02x:%02x", 1726 eth_dev->data->port_id, nic->vendor_id, nic->device_id, 1727 nic->mac_addr[0], nic->mac_addr[1], nic->mac_addr[2], 1728 nic->mac_addr[3], nic->mac_addr[4], nic->mac_addr[5]); 1729 1730 return 0; 1731 1732 malloc_fail: 1733 rte_free(eth_dev->data->mac_addrs); 1734 alarm_fail: 1735 nicvf_periodic_alarm_stop(nic); 1736 fail: 1737 return ret; 1738 } 1739 1740 static const struct rte_pci_id pci_id_nicvf_map[] = { 1741 { 1742 .class_id = RTE_CLASS_ANY_ID, 1743 .vendor_id = PCI_VENDOR_ID_CAVIUM, 1744 .device_id = PCI_DEVICE_ID_THUNDERX_PASS1_NICVF, 1745 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM, 1746 .subsystem_device_id = PCI_SUB_DEVICE_ID_THUNDERX_PASS1_NICVF, 1747 }, 1748 { 1749 .class_id = RTE_CLASS_ANY_ID, 1750 .vendor_id = PCI_VENDOR_ID_CAVIUM, 1751 .device_id = PCI_DEVICE_ID_THUNDERX_PASS2_NICVF, 1752 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM, 1753 .subsystem_device_id = PCI_SUB_DEVICE_ID_THUNDERX_PASS2_NICVF, 1754 }, 1755 { 1756 .vendor_id = 0, 1757 }, 1758 }; 1759 1760 static struct eth_driver rte_nicvf_pmd = { 1761 .pci_drv = { 1762 .name = "rte_nicvf_pmd", 1763 .id_table = pci_id_nicvf_map, 1764 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, 1765 }, 1766 .eth_dev_init = nicvf_eth_dev_init, 1767 .dev_private_size = sizeof(struct nicvf), 1768 }; 1769 1770 static int 1771 rte_nicvf_pmd_init(const char *name __rte_unused, const char *para __rte_unused) 1772 { 1773 PMD_INIT_FUNC_TRACE(); 1774 PMD_INIT_LOG(INFO, "librte_pmd_thunderx nicvf version %s", 1775 THUNDERX_NICVF_PMD_VERSION); 1776 1777 rte_eth_driver_register(&rte_nicvf_pmd); 1778 return 0; 1779 } 1780 1781 static struct rte_driver rte_nicvf_driver = { 1782 .type = PMD_PDEV, 1783 .init = rte_nicvf_pmd_init, 1784 }; 1785 1786 PMD_REGISTER_DRIVER(rte_nicvf_driver, net_thunderx); 1787 DRIVER_REGISTER_PCI_TABLE(net_thunderx, pci_id_nicvf_map); 1788